Add 63/15 and 54/45
1st number: 4 3/15, 2nd number: 1 9/45
63/15 + 54/45 is 27/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
63/15 = 63 × 3/15 × 3 = 189/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
54/45 = 54 × 1/45 × 1 = 54/45 - Add the two like fractions:
189/45 + 54/45 = 189 + 54/45 = 243/45 - 243/45 simplified gives 27/5
- So, 63/15 + 54/45 = 27/5
In mixed form: 52/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30+54/45 63/15+54/90 63/45+54/45 63/75+54/45